IP Library Assignment 004129/0932
Patent Assignment
Reel/Frame 004129/0932

Assignment of Assignors Interest.

Recorded: 1983-05-09 Pages: 1
Covered Property (1)
Double Acting Pilot Valve
Patent: 4,491,154 →
Application: 06/492,539 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jun 22, 1984
From: ACF INDUSTRIES, INCORPORATED A NEW JERSEY CORP
To: JOY MANUFACTURING COMPANY
Reel/Frame 004280/0243 →
Assignment of Assignors Interest. Jul 19, 1984
From: W-K-M WELLHEAD SYSTEMS, INC.
To: ACF INDUSTRIES, INCORPORATED
Reel/Frame 004284/0238 →
Assignment of Assignor's Interest May 5, 1995
From: COOPER INDUSTRIES, INC.
To: COOPER CAMERON CORPORATION
Reel/Frame 007462/0622 →